package trials object crashing { trait C { abstract class T[A] { def f[Z] (a:T[Z]) : T[A] } } abstract class Thing { val c = new C{ class T[A](a:A) { def f[Z](t:T[Z]) = new T(a) } } val x1 = { class C[T] { val x: T } new C[String] } } } /* Infinite loop in Typer.addLocals. Printing all calls to it: addLocals: Unit addLocals: this.T[A] addLocals: java.lang.Object with crashing.C{ ... } addLocals: >: Nothing <: java.lang.Object with crashing.C{type T[A] <: java.lang.Object with ScalaObject{def f[Z](this.T[Z]): this.T[A]}} addLocals: >: Nothing <: java.lang.Object with ScalaObject{def f[Z](this.T[Z]): this.T[Z]} addLocals: >: Nothing <: java.lang.Object with ScalaObject{def f[Z](this.T[Z]): this.T[Z]} addLocals: >: Nothing <: java.lang.Object with ScalaObject{def f[Z](this.T[Z]): this.T[Z]} [...] * C { type T[A] <: { def f[Z]: T[Z] => T[A] } } */